1H-Imidazolium, 1-ethyl-4,5-dihydro-1-(2-hydroxyethyl)-2-isoheptadecyl-, ethyl sulfate CAS 67633-57-2
| CAS No. | 67633-57-2 |
| Molecular Formula | C25H51N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Imidazolium, 1-ethyl-4,5-dihydro-1-(2-hydroxyethyl)-2-isoheptadecyl-, ethyl sulfate (CAS 67633-57-2), molecular formula C25H51N2OC2H5O4S and molecular weight 520.81 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1H-Imidazolium, 1-ethyl-4,5-dihydro-1-(2-hydroxyethyl)-2-isoheptadecyl-, ethyl sulfate (C25H51N2OC2H5O4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 520.81 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1H-Imidazolium, 1-ethyl-4,5-dihydro-1-(2-hydroxyethyl)-2-isoheptadecyl-, ethyl sulfate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C25H51N2O C2H5O4S |
| Molecular Weight | 520.81 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related H Standards
- 1H-Imidazolium, 1,3-bis[2,7-bis(1-methylethyl)-1-naphthalenyl]-4,5-dihydro-, tetrafluoroborate(1-) (1:1) (CAS 1025030-97-0)
- Imidazolium dichromate (CAS 109201-26-5)
- 1H-Imidazolium,4,5-dimethyl-1,3-bis(2,4,6-trimethylphenyl)-,chloride (1:1) (CAS 1118916-80-5)
- 1H-Imidazolium-3-(2-hydroxyethyl)-1-methyl-N-cyanocyanamide (CAS 1186103-47-8)
- 1H-Imidazolium, 1,3-bis(2-cyclohexyl-1-naphthalenyl)-4,5-dihydro-, tetrafluoroborate(1-) (1:1) (CAS 1208220-06-7)
- 1H-Imidazolium, 1,3-bis[2,6-bis(1-methylethyl)phenyl]-2-[(dicyclohexylphosphino)methyl]-4,5-dimethyl-, iodide (CAS 1260154-76-4)
- 1H-Imidazolium,3,3'-methylenebis[1-(4-carboxy-2-methylphenyl)-,chloride(1:2) (CAS 1414865-04-5)
- 1H-Imidazolium, 3-(2,6-diethylphenyl)-4,5-dihydro-1-[(1S)-1-(hydroxymethyl)-2-phenylethyl]-, hexafluorophosphate(1-) (1:1) (CAS 2757083-04-6)
Recommended Standards
- 3-Bromo-6-chloro-5-methoxy-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole (CAS 2769085-15-4)
- 5-Methoxy-2-(methylthio)pyrimidin-4-amine (CAS 89464-98-2)
- (3-Amino-4-(dimethylamino)phenyl)(morpholino)methanone (CAS 174482-75-8)
- 1-tert-butyl 2-ethyl 2-methylazetidine-1,2-dicarboxylate (CAS 1391077-73-8)
- (2,5-Diethylphenyl)methanamine (CAS 771469-84-2)
- D,L-Stepholidine (CAS 16562-14-4)
- 4-(2-(1-(4-(4-Chlorophenyl)thiazol-2-yl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzoic acid (CAS 314761-55-2)
- N-(4-Bromobenzylidene)pyrimidin-2-amine (CAS 146462-28-4)
- N-(2-amino-4-methoxyphenyl)naphthalene-1-carboxamide (CAS 1016758-51-2)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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